A double arrow shows that the reaction is reversible, it represents an equilibrium in which the products on the right can react together and produce the left hand side. A chemical equation without a double arrow isn't reversible and can only go in one direction
I think, the most convenient way is to use Microsoft Office Word. For simple chemical equations you will need just subscripts, which are one of possilbe formats of text in the program, and arrows, that can be added through Insert->Symbol.
need to use chemical reaction meaning in a sentence?
A reactant is a substance that participates in and changes during a reaction.
A chemical reaction need an activation energy to start.
You need to calculate the yield of the reaction.
A chemical reaction, by definition, does not require air unless one of the constituents of the reaction is intended to be supplied by it.
Any chemical reaction need an activation energy to occur.
They have a specific reactivity and the reaction need an activation energy.
sometimes
cell membrane
Glow sticks best represent a chemical reaction known as chemiluminescence, where light is produced as a result of a chemical reaction without the need for heat.
mentos or you shake it